Lutron Skylark Dimmer Switch for Incandescent and Halogen Bulbs, Single-Pole, S-600-BL, Black Works with up to 600-Watts of Incandescent and Halogen Bulbs Features a slider knob to turn lights on/off or brighten/dim to suit any activity For use in single-pole applications Installs in as little as 15 minutes Includes (1) Skylark dimmer; coordinating wallplate sold separately